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From: "UFO" <tech@parts-link.net>
Newsgroups: sci.electronics.design
Subject: ALPS Rotary encoder ID
Date: Mon, 6 May 2024 13:49:23 -0400
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Posted this to sci.electronics.repair but somehow I cannot reply to the 
thread anymore.

Looking for the part number on this , its to a Chrysler 1994 car stereo
P04704383AC, location is VR805

Only marking on it is

Alps
Japan

https://www.mediafire.com/view/lk899arhjefddsn/HPIM1410.JPG/file

https://www.mediafire.com/view/y5wpnrawhn47qem/HPIM1411.JPG/file

The shaft is broke, and does not seem to turn, but the 2 pins usually mean
its a push button type.

This post shows the exact board so that must be what it looks like
https://www.reddit.com/r/AskElectronics/comments/15bfj2i/volume_control_from_my_older_1996_chrysler_town/

The comments say its an EC11. Not sure how many detents, 30 maybe?